Motores de almacenamiento

InnoDB

Supports transactions, row-level locking, foreign keys and encryption for tables

[ Variables | Reserva de búfers | Estado del InnoDB ]

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2026-06-20 14:55:29 0x31ec INNODB MONITOR OUTPUT
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Per second averages calculated from the last 38 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 12051 srv_active, 0 srv_shutdown, 82234 srv_idle
srv_master_thread log flush and writes: 94285
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 70081
OS WAIT ARRAY INFO: signal count 36010
RW-shared spins 18282, rounds 362865, OS waits 11025
RW-excl spins 44345, rounds 159864, OS waits 642
RW-sx spins 575, rounds 7474, OS waits 101
Spin rounds per wait: 19.85 RW-shared, 3.61 RW-excl, 13.00 RW-sx
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TRANSACTIONS
------------
Trx id counter 84342
Purge done for trx's n:o < 84342 undo n:o < 0 state: running
History list length 9
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 283187676447008, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283187676442840, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283187676438672, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283187676455344, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
--------
FILE I/O
--------
I/O thread 0 state: native aio handle (insert buffer thread)
I/O thread 1 state: native aio handle (log thread)
I/O thread 2 state: native aio handle (read thread)
I/O thread 3 state: native aio handle (read thread)
I/O thread 4 state: native aio handle (read thread)
I/O thread 5 state: native aio handle (read thread)
I/O thread 6 state: native aio handle (write thread)
I/O thread 7 state: native aio handle (write thread)
I/O thread 8 state: native aio handle (write thread)
I/O thread 9 state: native aio handle (write thread)
Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] ,
 ibuf aio reads:, log i/o's:, sync i/o's:
Pending flushes (fsync) log: 0; buffer pool: 0
50252 OS file reads, 143193 OS file writes, 86181 OS fsyncs
1 pending reads, 0 pending writes
2.42 reads/s, 16384 avg bytes/read, 6.68 writes/s, 4.89 fsyncs/s
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INSERT BUFFER AND ADAPTIVE HASH INDEX
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Ibuf: size 1, free list len 0, seg size 2, 0 merges
merged operations:
 insert 0, delete mark 0, delete 0
discarded operations:
 insert 0, delete mark 0, delete 0
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 0 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
7.00 hash searches/s, 18.66 non-hash searches/s
---
LOG
---
Log sequence number 160422269
Log flushed up to   160422249
Pages flushed up to 160395897
Last checkpoint at  160392842
0 pending log flushes, 0 pending chkp writes
44908 log i/o's done, 2.45 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 778744
Buffer pool size   1003
Free buffers       736
Database pages     260
Old database pages 0
Modified db pages  46
Percent of dirty pages(LRU & free pages): 4.614
Max dirty pages percent: 75.000
Pending reads 1
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 740, not young 27942
0.00 youngs/s, 0.00 non-youngs/s
Pages read 49921, created 5405, written 83916
2.82 reads/s, 0.00 creates/s, 2.68 writes/s
Buffer pool hit rate 976 / 1000, young-making rate 0 / 1000 not 0 / 1000
Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s
LRU len: 260, unzip_LRU len: 0
I/O sum[308]:cur[1], unzip sum[0]:cur[0]
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ROW OPERATIONS
--------------
0 queries inside InnoDB, 0 queries in queue
0 read views open inside InnoDB
Process ID=5360, Main thread ID=6716, state: sleeping
Number of rows inserted 108616, updated 14390, deleted 37, read 2155435
0.00 inserts/s, 1.16 updates/s, 0.00 deletes/s, 7.53 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 85471
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s
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END OF INNODB MONITOR OUTPUT
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